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"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = _default;

var
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_utils = require("../utils");

var
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_exception = _interopRequireDefault(require("../exception"));

/*istanbul ignore next*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function
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_default(instance) {
  instance.registerHelper('with', function (context, options) {
    if (arguments.length != 2) {
      throw new
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      _exception[
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      "default"]('#with requires exactly one argument');
    }

    if (
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    (0,
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    _utils.
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    isFunction)(context)) {
      context = context.call(this);
    }

    var fn = options.fn;

    if (!
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    (0,
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    _utils.
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    isEmpty)(context)) {
      var data = options.data;

      if (options.data && options.ids) {
        data =
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        (0,
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        _utils.
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        createFrame)(options.data);
        data.contextPath =
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        (0,
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        _utils.
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        appendContextPath)(options.data.contextPath, options.ids[0]);
      }

      return fn(context, {
        data: data,
        blockParams:
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        (0,
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        _utils.
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        blockParams)([context], [data && data.contextPath])
      });
    } else {
      return options.inverse(this);
    }
  });
}

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module.exports = exports.default;
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